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Amazon.com: Zacurate 500BL Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Batteries Included (Navy Blue) : Health & Household
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Zacurate Pro Series 500DL Sporting and Aviation Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor (Royal Black) - Walmart.com
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Amazon.com: CMI Health Rechargeable Pulse Oximeter - Adult Finger Sensor for Continuous Monitoring & Spot-Checking - Adjustable Alarm for Pulse Rate and SpO2 Levels - Carry Case, AC Adapter Included : Health
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Amazon.com: mibest OLED Finger Pulse Oximeter, O2 Meter, Dual Color White/Rose Gold : Health & Household
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